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//----------------------------------------------------------------------------------------------------//
//! @file libmsgq.c
//! This contains system call wrapper functions for Message Queue.
//----------------------------------------------------------------------------------------------------//
#include <os_config.h>
#include <sys/syscall.h>
#include <sys/msg.h>
#include <sys/kmsg.h>

extern void* make_syscall (void *arg1, void *arg2, void *arg3, void *arg4, void *arg5, int syscall_num);

#ifdef CONFIG_MSGQ
int msgget(key_t key, int msgflg)
{
    return (int) make_syscall ((void*)key, (void*)msgflg, NULL, NULL, NULL, SC_MSGGET);
}

int msgctl(int msqid, int cmd, struct msqid_ds *buf)
{
    return (int) make_syscall ((void*)msqid, (void*)cmd, (void*)buf, NULL, NULL, SC_MSGCTL);
}

int msgsnd(int msqid, const void *msgp, size_t msgsz, int msgflg)
{
    return (int) make_syscall ((void*)msqid, (void*)msgp, (void*)msgsz, (void*)msgflg, NULL, SC_MSGSND);
}

ssize_t msgrcv(int msqid, void *msgp, size_t msgsz, long msgtyp, int msgflg)
{
    return (ssize_t) make_syscall ((void*)msqid, (void*)msgp, (void*)msgsz, (void*)msgtyp, (void*)msgflg, SC_MSGRCV);
}
#endif /* CONFIG_MSGQ */
